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Finding the Fourth Proportional to 267,385.85, 368,957.39 and 159,916.67

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Solution

The fourth proportional to 267,385.85, 368,957.39 and 159,916.67 is: 220,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,385.85 : 368,957.39 = 159,916.67 : x
  2. Step 2: Convert to fraction form
    267,385.85/368,957.39 = 159,916.67/x
  3. Step 3: Cross multiply
    267,385.85x = 368,957.39 × 159,916.67
  4. Step 4: Simplify right side
    267,385.85x = 59,002,434,536.32
  5. Step 5: Solve for x
    x = 59,002,434,536.32/267,385.85
  6. Step 6: Final answer
    x = 220,664.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.